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[Packages/TYPO3.CMS.git] / typo3 / ajax.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 2007-2011 Benjamin Mack
6 * All rights reserved
7 *
8 * This script is part of the TYPO3 project. The TYPO3 project is
9 * free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * The GNU General Public License can be found at
15 * http://www.gnu.org/copyleft/gpl.html.
16 * A copy is found in the textfile GPL.txt and important notices to the license
17 * from the author is found in LICENSE.txt distributed with these scripts.
18 *
19 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27 /**
28 * AJAX dispatcher
29 *
30 * @author Benjamin Mack <mack@xnos.org>
31 * @package TYPO3
32 * @subpackage core
33 */
34 $TYPO3_AJAX = TRUE;
35 // Include t3lib_div at this time to get the GET/POST methods it provides
36 require_once dirname(__FILE__) . '/../t3lib/class.t3lib_div.php';
37 // First get the ajaxID
38 $ajaxID = (string) \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('ajaxID');
39 // This is a list of requests that don't necessarily need a valid BE user
40 $noUserAjaxIDs = array(
41 'BackendLogin::login',
42 'BackendLogin::logout',
43 'BackendLogin::refreshLogin',
44 'BackendLogin::isTimedOut',
45 'BackendLogin::getChallenge'
46 );
47 // If we're trying to do an ajax login, don't require a user.
48 if (in_array($ajaxID, $noUserAjaxIDs)) {
49 define('TYPO3_PROCEED_IF_NO_USER', 2);
50 }
51 require 'init.php';
52 // finding the script path from the variable
53 $ajaxScript = $TYPO3_CONF_VARS['BE']['AJAX'][$ajaxID];
54 // Instantiating the AJAX object
55 $ajaxObj = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Http\\AjaxRequestHandler', $ajaxID);
56 $ajaxParams = array();
57 // Evaluating the arguments and calling the AJAX method/function
58 if (empty($ajaxID)) {
59 $ajaxObj->setError('No valid ajaxID parameter given.');
60 } elseif (empty($ajaxScript)) {
61 $ajaxObj->setError('No backend function registered for ajaxID "' . $ajaxID . '".');
62 } else {
63 $ret = \TYPO3\CMS\Core\Utility\GeneralUtility::callUserFunction($ajaxScript, $ajaxParams, $ajaxObj, FALSE, TRUE);
64 if ($ret === FALSE) {
65 $ajaxObj->setError('Registered backend function for ajaxID "' . $ajaxID . '" was not found.');
66 }
67 }
68 // Outputting the content (and setting the X-JSON-Header)
69 $ajaxObj->render();
70 ?>